http://www.ccdailynews.com/news/articleView.html?idxno=984538
http://www.gukjenews.com/news/articleView.html?idxno=1015288
http://www.edupress.kr/news/articleView.html?idxno=2973
http://www.seoulilbo.com/news/articleView.html?idxno=337362
http://kpnnews.org/bbs/board.php?section=mm_02&bo_table=local&wr_id=424112&city=lc_11&gugun=lc_11_11
